r/CrazyKnowledge is a subreddit with 14k members. The most common kinds of discussions are pain & anger and money talk, and the community frequently discusses six eyed sand spider, microscope, snake, tree, and kola well.
Hi there! This community is going to share with you some of the most interesting content on the internet. We love to learn daily, so we’re gonna share with you our knowledge. Hope you will enjoy it! Thank you!
Popular Themes in r/CrazyKnowledge
#1
Pain & Anger
: "Hard landing"
2 posts
#2
Money Talk
: "The F-35 jets come with a Gen III helmet, which is the most expensive helmet in the world (approx. $400,000)"
1 post
Popular Topics in r/CrazyKnowledge
#1
Six Eyed Sand Spider
: "Sicarius thomisoides - the Six Eyed Sand Spider"
2 posts
#2
Microscope
: "Snow under Microscope"
2 posts
#3
Snake
: "A pet Hognose Snake playing dead"
2 posts
#4
Tree
: "This is the 1400 year old ginkgo Tree located in China."
2 posts
#5
Kola Well
: "The deepest hole by far is one on the Kola Peninsula in Russia near Murmansk, referred to as the "Kola Well." It was drilled for research purposes beginning in 1970. After five years, the Kola Well had reached 7km (about 23,000ft)."
1 post
#6
Crayfish Molting
: "Crayfish must shed their hard exoskeletons in order to grow larger as their body size increases. During the first year of life, a crayfish molts 6 to 10 times. This number decreases to three to five times during its second year. Here we see a cobalt blue Crayfish Molting in sped-up video."
1 post
#7
Mosquito Biting
: "Mosquito Biting human, Magnification 2,5x, Darkfield, Lens used: Olympus Mplan 2,5x"
1 post
#8
Mountain Goat
: "The dangerous method used by a Mountain Goat to get rid of an eagle attack"
1 post
#9
Permian Animals
1 post
#10
Ring Necked Snake
: "Diadophis punctatus, commonly known as the ring-necked snake, is a harmless species of colubrid snake such as this one from @herptime, found throughout much of the United States, central Mexico, and southeastern Canada."
1 post
Member Growth in r/CrazyKnowledge
Yearly
-7 members(-0.0%)
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Last updated: June 8, 2026